Federal Aviation Administration

Flight Procedure Standards Branch

Policy Clarification

TERPS Instruction Letters (TILS)

TIL Number Title Attachments
99-003 (PDF) Taxiing Aircraft as Departure Obstructions; AVN-160 E-Mail N/A
00-016 (PDF) Interim United States Army Helicopter Departure Criteria YES (PDF)
01-025 (PDF) Turning Area Curve Radii at 10,000 Feet MSL N/A
02-043 (PDF) United States Standard for TERPS Change 19, Correction #1 YES (PDF)
03-048 (PDF) Interim Correction to Order 8260.3B, United States Standard for Terminal Instrument Procedures (TERPS) YES (PDF)

Policy Memorandums

Date Title Attachments
12/07/2001 Minimum Segment Altitudes and Required Obstacle Clearance (ROC) (PDF) N/A
05/20/2002 Guidance for Replacement of SIAPs Containing "or GPS" in the Procedure Name (PDF) N/A
09/05/2003 Instrument Departure Criteria in Terminal Instrumental Procedure 903 (PDF) N/A
12/04/2003 Directive Feedback Information Order 8260.3B (TERPS), TERPS Control 03-01 (PDF) N/A
01/05/2004 Clarification of Precision Obstacle Free Area (POFA) (PDF) N/A
06/17/2004 Interim Guidance for Evaluating Area Navigation (RNAV) Holding Patterns (PDF) N/A
06/18/2004 Automated Precipitous Terrain Adjustments (PDF) N/A
12/06/2004 Application of Short Take Off Landing (STOL) Holding Pattern Criteria (PDF) N/A
03/17/2005 Revised Policy for Application of Volume 4, Para 1.3, FAA Order 8260.3B, US Standard for (TERPS) (PDF) N/A
07/07/2005 Policy on Use of 175 Knots Indicated Airspeed (KIAS) Holding Pattern (PDF) N/A
12/06/2005 Clarification of TERPS Glide Path Angle Standard (PDF) N/A
02/23/2006 Implementation of the Airport Obstructions Standards Committee (AOSC) Decision Document (DD) 4 for Existing Category (CAT) II/III Approach Procedures (PDF) N/A
11/14/2006 Remote Altimeter Setting Source (RASS) Adjustment and Notice to Airmen (NOTAM) Association with Helicopter Point-in-Space (PinS) and Instrument Flight Rules (IFR) to a Visual Flight Rules (VFR) Heliport (IVH) Instrument Approach Procedure (IAP) (PDF) N/A
11/27/2006 Interim Guidance for GPS Holding Leg Length (PDF) N/A
03/08/2007 Clarification of Intent of FAA Order 8260.3B, United States Standard for Terminal Instrument Procedures (TERPS), Volume 1, Paragraph 1720 (PDF) N/A
03/30/2007 Continuous Descent Angle on Instrument Procedures (PDF) N/A
04/24/2007 Category-I Instrument Landing System (ILS) End Fire Glide Slope (EFGS) Antenna Obstacle Evaluation (PDF) N/A
12/28/2007 Implementation of Order 8260.3B, U. S. Standard for Terminal Instrument Procedures (TERPS), Change 20 (PDF) N/A
03/03/2008 Transponder Landing System (TLS) Design Criteria (PDF) N/A
08/28/2008 Localizer Directional Aid (LDA) with Glide Slope Procedure Construction Criteria (PDF) N/A
12/08/2008 Clarification of Order 8260.3B, United States Standard for Terminal Instrument Procedures (TERPS), Paragraph 1750d (PDF) N/A
12/08/2008 Cancellation of Memorandum for Houston Intercontinental Airport Simultaneous Area Navigation/Instrument Landing System Authorization (PDF) N/A
08/17/2009 Policy Clarifications Associated with FAA Order 8260.3B, United States Standard for Terminal Instrument Procedures (TERPS), Change 21 (PDF) N/A
12/30/2009 Updated Criteria for Airship Area Navigation (RNAV) Approach Procedures (PDF) N/A
06/22/2010 Clarification on Missed Approach Climb Gradient Application (PDF) N/A
10/01/2010 Cancellation of AFS-1 Memorandum to AVN-1, dated October 7, 2003 (PDF) N/A
10/25/2010 Use of Step-Down Fixes for Obstruction Evaluation/Airport Airspace Analysis (OE/AAA) Mitigation (PDF) N/A
11/16/2010 Clarification of Remote Altimeter Setting Source (RASS) Application to Missed Approach Surface Elevations (PDF) N/A
11/16/2010 Low Close-In Obstacles and Obstruction Evaluation/Airport Airspace Analysis (OE/AAA) Mitigation (PDF) N/A
02/09/2011 United States Standard for Locating the Precise Final Approach Fix (PFAF, FAF) On Instrument Approach Procedures and Locating Fixes for Air Traffic Control (ATC) Vertical Separation Purposes (PDF) Download Calculation Tool (ZIP)
08/16/2011 Interim Criteria for Precision Approach Obstacle Assessment and Category II/III Instrument Landing System (ILS) Requirements (PDF) N/A
08/17/2011 Guidance Clarification for FAA Order 8260.19E, Airspace and Procedures, Paragraph 4-3b, Airspace Requirements (PDF) N/A
12/29/2011 Standard Threshold Crossing Height (TCH) Values (PDF) N/A
01/12/2012 Required Navigation Performance (RNP) 1 Departure Procedures (DP) (PDF) N/A
03/01/2013 Clarification to Order 8260.58, United States Standard for Performance Based Navigation (PBN) Instrument Procedure Design (PDF) N/A
04/18/2013 Clarification to Order 8260.46D, Departure Procedure (DP) Program, Takeoff Obstacle Notes for Helicopter Departure Procedures (PDF) N/A
04/23/2013 Use of NAVAIDs in RNP AR Instrument Flight Procedure Design (PDF) N/A
05/07/2013 Clarification to Order 8260.46D, Departure Procedure (DP) Program - Cancellation of FAA 8260-15 Series Forms (PDF) N/A

Page Last Modified: 05/15/13 08:55 EDT

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